Home / 8,702,409.87-12,009,699.36-4,834,931.16

Finding the Fourth Proportional to 8,702,409.87, 12,009,699.36 and 4,834,931.16

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Solution

The fourth proportional to 8,702,409.87, 12,009,699.36 and 4,834,931.16 is: 6,672,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,409.87 : 12,009,699.36 = 4,834,931.16 : x
  2. Step 2: Convert to fraction form
    8,702,409.87/12,009,699.36 = 4,834,931.16/x
  3. Step 3: Cross multiply
    8,702,409.87x = 12,009,699.36 × 4,834,931.16
  4. Step 4: Simplify right side
    8,702,409.87x = 58,066,069,657,896.05
  5. Step 5: Solve for x
    x = 58,066,069,657,896.05/8,702,409.87
  6. Step 6: Final answer
    x = 6,672,412.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.